Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.511816E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T03:42:47+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58883
    NORAD ID 58883
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66621
    NORAD ID 66621
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31209 STARLINK-35847
    Time of Closest Approach 2026-10-29T23:51:40+0000
    Collision Probability (Pc) 1.511816E-6
    Conjunction Distance (km) 2.553 km
    Relative Speed (km/s) 12.226 km/s
    Conjunction Risk Parameters R (Radial): -0.032 | I (In-track): -1.53 | C (Cross-track): -2.042
    Collision Risk Index (CRI) 0.39
    X Position (km) -4307.02 -4305.017
    Position Y (km) 5315.982 5317.564
    Position Z (km) -31.384 -31.382
    Velocity X (km/s) -3.543 -3.57
    Velocity Y (km/s) -2.896 -2.865
    Velocity Z (km/s) -6.113 6.112

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31209 STARLINK-35847
    Semimajor Axis (a) 6840.762 km 6841.043 km
    Eccentricity (e) 0.000165 0.000229
    Inclination (i) 53.1612° 53.1545°
    RAAN 322.3710° 141.9821°
    Perigee Argument 78.2780° 55.4522°
    Mean Anomaly (M) 281.8408° 304.6696°
    Apogee 463.753 km 464.473 km
    Perigee 461.497 km 461.339 km
    Orbit Epoch 2026-10-27T02:17:47+0000 2026-10-27T06:11:57+0000

    STARLINK-31209 & STARLINK-35847 Collision Probability (Pc) Trend

    STARLINK-31209 & STARLINK-35847 Collision Probability (Pc) TrendNot Available

    STARLINK-31209 & STARLINK-35847 Miss Distance (Miss Distance) Trend

    STARLINK-31209 & STARLINK-35847 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31209Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35847Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31209Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35847Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31209

    No nearby objects data